Relationships in synthesis of chromium nitride by combustion of ferrochrome in nitrogen

Relationships in synthesis of chromium nitride by combustion of ferrochrome in nitrogen Nitridation of commercial ferrochrome in the self-propagating high-temperature synthesis mode was studied. The influence of the key parameters of the process (nitrogen pressure, sample diameter, particle size distribution of the initial powder) on synthesis and phase composition of the combustion products was elucidated. The microstructural features of nitrided ferrochrome and chromium nitride were examined by electron microscopy. Acid enrichment of the synthesis products in a hydrochloric acid solution was studied in relation to the composition of nitrided ferrochrome. Chromium nitride with the residual iron content of 0.3 wt% was obtained, and its thermal stability and corrosion resistance were examined. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Applied Chemistry Springer Journals

Relationships in synthesis of chromium nitride by combustion of ferrochrome in nitrogen

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Publisher
SP MAIK Nauka/Interperiodica
Copyright
Copyright © 2009 by Pleiades Publishing, Ltd.
Subject
Chemistry; Industrial Chemistry/Chemical Engineering; Chemistry/Food Science, general
ISSN
1070-4272
eISSN
1608-3296
D.O.I.
10.1134/S1070427209050012
Publisher site
See Article on Publisher Site

Abstract

Nitridation of commercial ferrochrome in the self-propagating high-temperature synthesis mode was studied. The influence of the key parameters of the process (nitrogen pressure, sample diameter, particle size distribution of the initial powder) on synthesis and phase composition of the combustion products was elucidated. The microstructural features of nitrided ferrochrome and chromium nitride were examined by electron microscopy. Acid enrichment of the synthesis products in a hydrochloric acid solution was studied in relation to the composition of nitrided ferrochrome. Chromium nitride with the residual iron content of 0.3 wt% was obtained, and its thermal stability and corrosion resistance were examined.

Journal

Russian Journal of Applied ChemistrySpringer Journals

Published: Jun 23, 2009

References

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